<?xml version="1.0" encoding="US-ASCII"?>
<!-- Generated by Broadridge Transform (tm) - http://www.broadridge.com -->
<!-- Created: Wed Apr 29 22:44:15 UTC 2026 -->
<linkbase xmlns="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" xmlns:xbrldt="http://xbrl.org/2005/xbrldt">
  <roleRef xlink:type="simple" xlink:href="https://xbrl.sec.gov/ecd/2025/ecd-2025.xsd#IndividualsOnly" roleURI="http://xbrl.sec.gov/ecd/role/IndividualsOnly"/>
  <roleRef xlink:type="simple" xlink:href="https://xbrl.sec.gov/ecd/2025/ecd-2025.xsd#PvpAdjustmentsOnly" roleURI="http://xbrl.sec.gov/ecd/role/PvpAdjustmentsOnly"/>
  <roleRef xlink:type="simple" xlink:href="nclh-20251231.xsd#nclh_r_AdditionalDimensions" roleURI="http://www.nclhltd.com/role/AdditionalDimensions"/>
  <arcroleRef xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-default" arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-default"/>
  <arcroleRef xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-domain" arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-domain"/>
  <arcroleRef xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#hypercube-dimension" arcroleURI="http://xbrl.org/int/dim/arcrole/hypercube-dimension"/>
  <arcroleRef xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#domain-member" arcroleURI="http://xbrl.org/int/dim/arcrole/domain-member"/>
  <arcroleRef xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#all" arcroleURI="http://xbrl.org/int/dim/arcrole/all"/>
  <definitionLink xlink:role="http://xbrl.sec.gov/ecd/role/IndividualsOnly" xlink:type="extended">
    <loc xlink:type="locator" xlink:label="ecd_AllIndividualsMember" xlink:href="https://xbrl.sec.gov/ecd/2025/ecd-2025.xsd#ecd_AllIndividualsMember"/>
    <loc xlink:type="locator" xlink:label="nclh_HarrySommerMember" xlink:href="nclh-20251231.xsd#nclh_HarrySommerMember"/>
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ecd_AllIndividualsMember" xlink:to="nclh_HarrySommerMember" order="2" xbrldt:closed="true"/>
    <loc xlink:type="locator" xlink:label="nclh_FrankJDelRioMember" xlink:href="nclh-20251231.xsd#nclh_FrankJDelRioMember"/>
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ecd_AllIndividualsMember" xlink:to="nclh_FrankJDelRioMember" order="4" xbrldt:closed="true"/>
  </definitionLink>
  <definitionLink xlink:role="http://xbrl.sec.gov/ecd/role/PvpAdjustmentsOnly" xlink:type="extended">
    <loc xlink:type="locator" xlink:label="ecd_EqtyAwrdsAdjsMember" xlink:href="https://xbrl.sec.gov/ecd/2025/ecd-2025.xsd#ecd_EqtyAwrdsAdjsMember"/>
    <loc xlink:type="locator" xlink:label="nclh_EquityAwardsValueInStockAwardsCompensationTableForTheApplicableYearMember" xlink:href="nclh-20251231.xsd#nclh_EquityAwardsValueInStockAwardsCompensationTableForTheApplicableYearMember"/>
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ecd_EqtyAwrdsAdjsMember" xlink:to="nclh_EquityAwardsValueInStockAwardsCompensationTableForTheApplicableYearMember" order="1" xbrldt:closed="true"/>
    <loc xlink:type="locator" xlink:label="nclh_EquityAwardsValueInOptionAwardsCompensationTableForTheApplicableYearMember" xlink:href="nclh-20251231.xsd#nclh_EquityAwardsValueInOptionAwardsCompensationTableForTheApplicableYearMember"/>
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ecd_EqtyAwrdsAdjsMember" xlink:to="nclh_EquityAwardsValueInOptionAwardsCompensationTableForTheApplicableYearMember" order="2" xbrldt:closed="true"/>
    <loc xlink:type="locator" xlink:label="ecd_AllAdjToCompMember" xlink:href="https://xbrl.sec.gov/ecd/2025/ecd-2025.xsd#ecd_AllAdjToCompMember"/>
    <loc xlink:type="locator" xlink:label="nclh_NetAdjustmentsForEquityAwardsMember" xlink:href="nclh-20251231.xsd#nclh_NetAdjustmentsForEquityAwardsMember"/>
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ecd_AllAdjToCompMember" xlink:to="nclh_NetAdjustmentsForEquityAwardsMember" order="7" xbrldt:closed="true"/>
    <loc xlink:type="locator" xlink:label="nclh_DeductionOfFairValueOfAwardsGrantedPriorToCoveredYearThatWereForfeitedDuringCoveredYearMember" xlink:href="nclh-20251231.xsd#nclh_DeductionOfFairValueOfAwardsGrantedPriorToCoveredYearThatWereForfeitedDuringCoveredYearMember"/>
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="nclh_NetAdjustmentsForEquityAwardsMember" xlink:to="nclh_DeductionOfFairValueOfAwardsGrantedPriorToCoveredYearThatWereForfeitedDuringCoveredYearMember" order="1" xbrldt:closed="true"/>
    <loc xlink:type="locator" xlink:label="nclh_ChangeBasedUponIncrementalFairValueOfAwardsModifiedDuringYearMember" xlink:href="nclh-20251231.xsd#nclh_ChangeBasedUponIncrementalFairValueOfAwardsModifiedDuringYearMember"/>
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ecd_EqtyAwrdsAdjsMember" xlink:to="nclh_ChangeBasedUponIncrementalFairValueOfAwardsModifiedDuringYearMember" order="3" xbrldt:closed="true"/>
    <loc xlink:type="locator" xlink:label="nclh_PriorYearEndFairValueOfEquityAwardsGrantedInAnyPriorYearThatWereFortifiedDuringCoveredYearMember" xlink:href="nclh-20251231.xsd#nclh_PriorYearEndFairValueOfEquityAwardsGrantedInAnyPriorYearThatWereFortifiedDuringCoveredYearMember"/>
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ecd_EqtyAwrdsAdjsMember" xlink:to="nclh_PriorYearEndFairValueOfEquityAwardsGrantedInAnyPriorYearThatWereFortifiedDuringCoveredYearMember" order="4" xbrldt:closed="true"/>
  </definitionLink>
<!-- [WMV7][k2svfS1bw9YMAQe6XO95BzjJgzHcs5EtqUDaO/fi8fALlxNI0Ln4OjjRB8hOyx22MW33xGBCILESDZSB+Z+vvOzTeloMV6T046I/AxeFqLbjK03Hw8knUrbxcdvV6uDeiHQ7akTlUQ0E4nost6+HPK1P3rokXFx+pTJSKybBn36wQRG8b2vfyrNlDaxp3kRia7TDqODcY9w1XjNqQXWYPCVO5JLAkJruNkrDbFvjAKYAD8EPQDjaESflePyY1hJIzXtI4qXJdgJah8U2e6/j/78dgxW6mQM1Nk17XaHCaVeA8jNeUWId75bK1lC2FRr+763zbRqW7cKCG3QK31lsMY0=] CSR-->
  <definitionLink xlink:role="http://www.nclhltd.com/role/AdditionalDimensions" xlink:type="extended"/>
</linkbase>
